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GMC 2003 C4C042 User Manual

GMC 2003 C4C042
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2-39
Eaton Fuller Nine and Ten-Speed
Non-Synchronized Manual Transmissions
(If Equipped)
If your vehicle has one of these unsynchronized
transmissions, it’s naturally somewhat complicated.
The label above the windshield will tell you the
operating basics you need to know.
The following are driving tips.
D
Always choose an initial starting gear suitable for
the load and terrain.
D
Always use double
-clutching procedures
when shifting.
D
Never move the range shift lever to the LO speed
gear position after HI range preselection, or anytime
the transmission is in the HI range.
D
Never move the range knob or lever with the shift
lever in NEUTRAL while the vehicle is moving.
D
Never make a range shift while moving
in REVERSE (R).
Clutch Brake (Vehicles with
Non-Synchronized Transmission)
A clutch brake is used to stop transmission input shaft
rotation so that FIRST (1) or REVERSE (R) gear
selection can be initiated when the vehicle is at a
standstill and the engine is idling.
Press the clutch pedal all the way down to the
floorboard to apply the clutch brake.
When using the clutch brake, disengage the clutch pedal
and shift the transmission into either the initial starting
gear or REVERSE (R). If the tooth
-butting occurs
between the clutching teeth, re
-engage the clutch while
applying light pressure to the shift lever. This will
provide for a smooth shift into either FIRST (1) or
REVERSE (R) gear.
NOTICE:
After engaging FIRST (1) or REVERSE (R) gear,
do not use the clutch brake for upshifting and
downshifting. To do so will shorten the service life
of the clutch brake and gear selection shift efforts
may be increased.

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GMC 2003 C4C042 Specifications

General IconGeneral
BrandGMC
Model2003 C4C042
CategoryTrucks
LanguageEnglish

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